John Madeira
12Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: May 15, 1975 → Jan 25, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5669144A | Razor blade technology | Performing Operations; Transporting | 88 | Expired |
| US5232568A | Razor technology | Performing Operations; Transporting | 79 | Expired |
| US5295305A | Razor blade technology | Performing Operations; Transporting | 76 | Expired |
| US5497550A | Shaving system | Performing Operations; Transporting | 65 | Expired |
| US9248579B2 | Razors and razor cartridges | Performing Operations; Transporting | 28 | Active |
| US9079321B2 | Razor blades | Performing Operations; Transporting | 10 | Active |
| US7966909B2 | Process of forming a razor blade | Chemistry; Metallurgy | 9 | Active |
| US3976044A | Breakerless distributor with substitutional interrupter array | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9598761B2 | Strengthened razor blade | Chemistry; Metallurgy | 2 | Active |
| US9327416B2 | Atomic layer deposition coatings on razor components | Chemistry; Metallurgy | 2 | Active |
| US9855665B2 | Strengthened razor blade | Chemistry; Metallurgy | 2 | Active |
| US10821619B2 | Atomic layer deposition coatings on razor components | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.